EP3536450B1 - Dispositif de réglage et/ou de mesure d'un outil - Google Patents

Dispositif de réglage et/ou de mesure d'un outil Download PDF

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Publication number
EP3536450B1
EP3536450B1 EP19153242.3A EP19153242A EP3536450B1 EP 3536450 B1 EP3536450 B1 EP 3536450B1 EP 19153242 A EP19153242 A EP 19153242A EP 3536450 B1 EP3536450 B1 EP 3536450B1
Authority
EP
European Patent Office
Prior art keywords
measuring
tool
reference body
arm
setting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19153242.3A
Other languages
German (de)
English (en)
Other versions
EP3536450A1 (fr
Inventor
Franz Haimer
Franz-Josef Haimer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haimer GmbH
Original Assignee
Haimer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haimer GmbH filed Critical Haimer GmbH
Publication of EP3536450A1 publication Critical patent/EP3536450A1/fr
Application granted granted Critical
Publication of EP3536450B1 publication Critical patent/EP3536450B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B23Q17/0904—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool before or after machining
    • B23Q17/0919—Arrangements for measuring or adjusting cutting-tool geometry in presetting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
    • B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
    • G01B21/042—Calibration or calibration artifacts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
    • G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures

Definitions

  • the invention relates to a device for setting and/or measuring a tool according to the preamble of claim 1 and a corresponding method according to claim 11.
  • Such devices are used, for example, for tool presetting.
  • they contain measuring optics, via which the position of the cutting edges or cutting surfaces of a tool clamped in a tool holder can be recorded. The cutting edge position determined in this way can then be transmitted to a control of a machine tool for processing.
  • a generic device for setting and/or measuring a tool contains a measuring element carrier that can be displaced in two mutually perpendicular axes and on which a measuring device for the optical measurement of the tool is arranged.
  • the essentially U-shaped measuring element carrier has a light source on one leg and a camera or another suitable light sensor on the opposite leg.
  • Such a device allows tools with a clearly defined blade or cutting edge to be measured and preset very precisely.
  • a measurement usually takes place with software support on a monitor assigned to the setting and/or measuring device.
  • the problem can arise that the cutting surface does not have a pronounced edge in the focus area of the measuring optics.
  • the object of the invention is to provide a device for setting and / or measuring a tool of the type mentioned, the precise setting and Measurement also allows differently designed tools. Ideally, the measurement inaccuracy is reduced to less than 1/100 mm.
  • the device according to the invention for setting and/or measuring a tool contains a measuring element carrier which can be moved in several axes and on which a measuring device for optically measuring the tool is arranged.
  • a reference body which can be moved between a ready position and a measuring position on the tool, is also assigned to the measuring element carrier for interaction with the measuring device.
  • a light beam can be given a clearly defined and pronounced edge, which can also be precisely focused by an optic and can also be used, for example, to determine an exact position.
  • a measuring optic can be precisely aligned and focused on the reference body. In contrast to undefined surfaces, the reference body is clearly recognizable through the optics and can therefore make the measuring process significantly easier.
  • the reference body is movably arranged on the measuring element carrier. By moving the measuring element carrier, the reference body can be placed against a surface to be measured, for example.
  • the reference body can be arranged, for example, on a free end of a pivotable arm.
  • the arm can be pivoted on the measuring element carrier, which can be moved in several axes.
  • the reference body can also be arranged on the measuring element carrier such that it can be displaced between a retracted ready position and an extended measuring position.
  • the reference body is for easier adjustment also attached to the arm in an articulated manner compared to differently oriented surfaces.
  • the reference body can be mounted eccentrically on the arm and can be adjusted using a handle.
  • the arm can be arranged pivotably on the measuring element carrier via a holding device.
  • the holding device can be adjustable by means of an adjustment device.
  • the arm can expediently contain a spring system which preferably interacts with an adjusting device arranged in the arm
  • a display device for signaling contact between the reference body and the tool can be provided.
  • a light-emitting diode or another display element can be used, for example, to signal when the reference body comes into contact with the tool.
  • Such a display device is also useful if an automated measurement is carried out and the reference body is automatically moved to the tool.
  • a signal can also be output in digital form between the measuring device and the output device.
  • FIG. 1 Schematically shown device 1 for setting and / or measuring a tool 2 includes a frame or base 3, on which a rotatable about a central axis 4 receptacle 5 for holding the tool 2 is arranged.
  • a tool holder 6 with the tool 2 is inserted into the receptacle 5 .
  • the receptacle 5 is arranged in such a way that the central axis 4 of the receptacle 5 and thus also the central axis of the tool holder 6 are aligned vertically.
  • a vertical stand 7 is guided on the frame or base 3 so that it can be moved in a first axis 8 (X-axis) perpendicular to the central axis 4 of the receptacle 5 .
  • a measuring element carrier 10 is movably arranged in a second axis 11 (Z-axis) perpendicular to the first axis 8 on a guide 9 of the stand 7 movable in the first axis 8 (X-axis).
  • the measuring element carrier 10 can thus be moved vertically in an axis (Z-axis) parallel to the center axis 4 of the receptacle 5 and horizontally in a further axis (X-axis) perpendicular thereto.
  • the displacement of the stand 7 on the frame or base 3 and the displacement of the measuring element carrier 10 on the stand 7 can be carried out in a manner known per se by motors, via adjusting spindles or other suitable drives.
  • the stand 7 and the measuring element carrier 10 can also be adjusted manually using a handle 12 .
  • the measuring element carrier 10 which can be displaced horizontally and vertically in the two axes 8 and 11, is essentially clamp-shaped or U-shaped and contains two arms 13a and 13b that encompass the tool 2 and lie in a plane perpendicular to the central axis 4 of the receptacle 5.
  • a measuring device with a first measuring element 14 and an opposite second measuring element 15 is arranged on the measuring element carrier 10 .
  • a first measuring element 14 designed as a light source is arranged on the inside of one arm 13a and a light receiver opposite the light source as a second measuring element 15 is arranged on the inside of the other arm 13b. From the first measuring element 14 designed as a light source on one arm 13a, a measuring beam can then be guided to the second measuring element 15, which is designed as a light receiver, on the other arm 13b.
  • the measuring element carrier 10 has an intermediate space 16, which is U-shaped in plan view, for receiving the tool 2 to be measured.
  • the first measuring element 14 designed as a light source and the second measuring element 15 designed as a light receiver are arranged such that the measuring beam runs within the gap 16 between the two free ends of the arms 13a and 13b of the measuring element carrier 10 .
  • the second measuring element 15 used to record the measuring beam can also be a camera that can take pictures of the tool and forward them to a control device and/or a computer for evaluation.
  • a tool reservoir 17 can also be provided on the frame or base 3 .
  • the reference body 18 On the measuring element carrier 10 there is a reference body 18 interacting with the measuring device between an in figure 4 shown ready position and an in figure 2 shown measuring position movably arranged.
  • the reference body 18 is designed as a cylindrical pin with a diameter of less than 10 mm.
  • the pin-shaped reference body 18 is arranged at the free end of an arm 19 which is articulated pivotably on the measuring element carrier 10 .
  • the pin-shaped reference body 18 can be moved between an upwardly folded ready position and a downwardly folded measurement position.
  • the arm 19 could also be folded away or slid to the side.
  • the arm 19 is designed such that the reference body 18 according to figure 3 not only placed on an upper surface 20 of the tool 2, but according to figure 5 can also be applied to a lower surface 21 of the tool 2 from below.
  • the arm 19 is retained in the upper, ready position by a retaining mechanism, such as a latch or magnet.
  • the length of the arm 19 is such that the central axis of the reference body 18 intersects the central axis 4 of the tool 2 in the folded down position.
  • the reference body 18 is preferably fastened in the arm 19 in such a way that it can be located between an upper and a lower latching position with little effort.
  • the simplest way to do this is for the reference body 18 to be fitted eccentrically in a receiving opening 22 in the arm 19 .
  • the axis of rotation of the handle 23 is ideally set up in such a way that it runs along a surface line of the reference body 18 . This ensures that the arm 19 always comes to rest in the same deflected position when touched downwards and upwards.
  • the reference body 18 can also be adjusted by means of a linear guide or a pivoting mechanism or the like.
  • the arm 19 is mounted on its side facing away from the reference body 18 in a holding device 24 which allows fine adjustment to be carried out separately from the measuring element carrier 10 .
  • the fine adjustment serves to align the central axis of the reference body 20 parallel to the second axis 11 .
  • the holding device 24 preferably has an adjustment device 25 embodied, for example, as an adjusting wheel. By rotating the adjusting wheel, the upper part of the holding device 24 can be pivoted towards the lower part of the holding device 24 about an axis which is essentially perpendicular both to the first axis 8 and to the second axis 11 .
  • the arm 19, which is pivotable about an axis 26 on the holding device 24, can have an in figure 6 recognizable suspension 27, which interacts with an installed in the holding device 24 adjusting device 28.
  • the adjusting device 28 is designed as a lever with a pin running transversely to the axis of rotation.
  • the pin is not fully cylindrical in its outer circumference, but has a flattened side. In a first position, the lever is positioned so that the pin faces upwards with its cylindrical surface. As a result, the spring 27 comes to rest on the surface of the pin. This causes the arm 19 to be biased against forces acting downward parallel to the axis of rotation.
  • the arm 19 can be resiliently mounted both downwards and upwards, so that the arm 19 and thus also the reference body 18 are always under a certain pretension when the reference body 18 rests on the surface of the tool 2 . This ensures that the reference body 18 is in constant contact with the surface of the tool 2 .
  • the position of the arm 19 and that of the holding device 24 is not limited to the locations shown in the figures, but that the arm 19 and the holding device 24 can be attached to different surfaces of the measuring element carrier 10.
  • attachment to the surfaces of the measuring element carrier 10 delimiting the intermediate space 16 is also possible, in particular in the center of the U-shaped area between the encompassing arms 13a and 13b.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (11)

  1. Dispositif (1) pour le réglage et/ou la mesure d'un outil (2), comprenant un bâti ou une partie inférieure (3), un logement (5) disposé sur le bâti ou la partie inférieure (3) et apte à tourner autour d'un axe central (4) pour maintenir l'outil (2), et un support (10) d'élément de mesure mobile selon un premier axe (8) et un deuxième axe (11) perpendiculaire au premier axe (8), ainsi qu'un dispositif de mesure (14, 15) pour la mesure optique de l'outil (2), qui est disposé sur le support (10) d'élément de mesure, et un corps de référence (18), le corps de référence (18), mobile sur l'outil (2) entre une position d'attente et une position de mesure, étant associé au support (10) d'élément de mesure pour coopérer avec le dispositif de mesure (14, 15) lors d'une détermination de la position de l'outil par une optique de mesure du dispositif de mesure (14, 15), le corps de référence (18) étant disposé de manière mobile sur le support (10) d'élément de mesure et le corps de référence (18) offrant à un rayon lumineux une arête clairement définie et prononcée qui est apte à être focalisée par une optique de mesure lors de la détermination de la position de l'outil, caractérisé par un bras (19) pivotant ou coulissant sur lequel le corps de référence (18) est fixé de manière articulée.
  2. Dispositif de réglage et/ou de mesure selon la revendication 1, caractérisé en ce que le corps de référence (18) est disposé à l'extrémité libre du bras (19) .
  3. Dispositif de réglage et/ou de mesure selon la revendication 2, caractérisé en ce que le bras (19) est articulé de manière pivotante sur le support (10) d'élément de mesure.
  4. Dispositif de réglage et/ou de mesure selon la revendication 2 ou 3, caractérisé en ce que le bras (19) est agencé de manière pivotante sur le support (10) d'élément de mesure par l'intermédiaire d'un dispositif de maintien (24).
  5. Dispositif de réglage et/ou de mesure selon la revendication 4, caractérisé en ce que le dispositif de maintien (24) est apte à être ajusté au moyen d'un dispositif de réglage (25).
  6. Dispositif de réglage et/ou de mesure selon l'une des revendications 2 à 5, caractérisé en ce que le bras (19) comporte une suspension (27).
  7. Dispositif de réglage et/ou de mesure selon la revendication 6, caractérisé en ce que la suspension (27) coopère avec un dispositif de réglage (28) disposé dans le bras (19).
  8. Dispositif de réglage et/ou de mesure selon l'une des revendications 2 à 7, caractérisé en ce que le corps de référence (18) est monté de manière excentrée dans un orifice de réception (22) sur le bras (19).
  9. Dispositif de réglage et/ou de mesure selon la revendication 8, caractérisé en ce que le corps de référence (18) est agencé de manière réglable sur le bras (19) par une pièce de préhension (23).
  10. Dispositif de réglage et/ou de mesure selon au moins l'une des revendications précédentes, caractérisé en ce que le corps de référence (18) est une tige cylindrique de diamètre inférieur à 10 mm.
  11. Procédé de mesure d'un outil utilisant un dispositif selon au moins l'une des revendications précédentes, dans lequel le corps de référence (18) est déplacé dans une position de mesure sur l'outil (2), le corps de référence (18) offrant à un faisceau lumineux une arête clairement définie et prononcée, qui est focalisée par l'optique de mesure lors de la détermination de la position de l'outil.
EP19153242.3A 2018-03-09 2019-01-23 Dispositif de réglage et/ou de mesure d'un outil Active EP3536450B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018105515.3A DE102018105515A1 (de) 2018-03-09 2018-03-09 Vorrichtung zur Einstellung und/oder Vermessung eines Werkzeugs

Publications (2)

Publication Number Publication Date
EP3536450A1 EP3536450A1 (fr) 2019-09-11
EP3536450B1 true EP3536450B1 (fr) 2023-07-19

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Application Number Title Priority Date Filing Date
EP19153242.3A Active EP3536450B1 (fr) 2018-03-09 2019-01-23 Dispositif de réglage et/ou de mesure d'un outil

Country Status (5)

Country Link
US (1) US10837760B2 (fr)
EP (1) EP3536450B1 (fr)
JP (1) JP7424751B2 (fr)
CN (1) CN110238702B (fr)
DE (1) DE102018105515A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036377A1 (de) * 2006-08-02 2008-02-07 E. Zoller GmbH & Co. KG Einstell- und Messgeräte Einstell-, Mess- und/oder Werkzeugspanngerät

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DE69735273T2 (de) * 1996-09-16 2006-08-10 Snap-On Inc., Pleasant Prairie Messeinrichtung für fahrzeuge
CN100396988C (zh) * 2001-11-27 2008-06-25 瑞尼斯豪公司 具有万向接头的可调装置
DE102004044348B3 (de) * 2004-09-14 2006-04-13 Kühne, Dieter Einstelleinrichtung und Verfahren zur Ausrichtung eines Tasters
US7307737B1 (en) * 2004-10-08 2007-12-11 Snap-On Incorporated Three-dimensional (3D) measuring with multiple reference frames
CN200967153Y (zh) * 2006-09-21 2007-10-31 信咚企业股份有限公司 锯切机的激光指示器调整机构
FR2937574A1 (fr) * 2008-10-29 2010-04-30 Guy Monnoyeur Dispositif et procede d'usinage et/ou de polissage de lentille
JP5801796B2 (ja) * 2010-03-31 2015-10-28 Hoya株式会社 レンズ形状測定装置
WO2013007286A1 (fr) * 2011-07-08 2013-01-17 Carl Zeiss Industrielle Messtechnik Gmbh Étalonnage et utilisation de dispositifs rotatifs, en particulier pour faire tourner des boutons et/ou des palpeurs d'appareils de mesure de coordonnées
WO2014108188A1 (fr) * 2013-01-09 2014-07-17 Carl Zeiss Industrielle Messtechnik Gmbh Corps d'essai pour déterminer des erreurs de rotation d'un dispositif rotatif
DE102013218411B4 (de) 2013-09-13 2015-05-13 Dmg Microset Gmbh Werkzeugvoreinstellvorrichtung
DE102013219389A1 (de) * 2013-09-26 2015-03-26 Carl Zeiss Industrielle Messtechnik Gmbh Reduzierung von Fehlern einer Drehvorrichtung, die bei der Bestimmung von Koordinaten eines Werkstücks oder bei der Bearbeitung eines Werkstücks verwendet wird
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EP3054265B1 (fr) * 2015-02-04 2022-04-20 Hexagon Technology Center GmbH Machine de mesure de coordonnées
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Also Published As

Publication number Publication date
CN110238702B (zh) 2023-04-07
DE102018105515A1 (de) 2019-09-12
CN110238702A (zh) 2019-09-17
EP3536450A1 (fr) 2019-09-11
US20190277626A1 (en) 2019-09-12
US10837760B2 (en) 2020-11-17
JP2019188589A (ja) 2019-10-31
JP7424751B2 (ja) 2024-01-30

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